DOSSIER · 13F Holders · Q2 2026

COREWEAVE INC

12 institutions still hold COREWEAVE INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 21873S908·12 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$940M
visible holders
Holders
12
filers reporting
Concentration
45.84%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

12 institutions reported COREWEAVE INC in Q2 2026. IMC-Chicago, LLC leads at 45.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$431M4.3M0.10%Q2 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$287M2.9M0.08%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$112M1.1M0.16%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$101M1.0M0.06%Q2 2026
05
AKUNA SECURITIES LLC
CIK 0001529090
$4M35K0.01%Q2 2026
06
DV Trading LLC
CIK 0001721757
$2M28K0.05%Q1 2026
07
CMT Capital Markets Trading GmbH
CIK 0001632813
$1M16K0.01%Q1 2026
08
Marathon Trading Investment Management LLC
CIK 0001572748
$995K10K0.03%Q2 2026
09
PRAKASH INVESTMENT ADVISORS LLC
CIK 0002054677
$230K500.13%Q2 2026
10
SG Americas Securities, LLC
CIK 0001313360
$172K70K0.00%Q1 2026
11
JPMORGAN CHASE & CO
CIK 0000019617
$115K1K0.00%Q2 2026
12
OSAIC HOLDINGS, INC.
CIK 0001677044
$15K30.00%Q2 2026